A retailer sells 5,000 units of a product per year. The supplier offers this product for 39 dollar per unit in packages of 12 units and charges a fee of 17 dollar per order. The retailer's annual carrying cost is 8 dollar per package. The return on alternative cash investments 10%. What is the retailer's optimal order size?
Mine svar muligheder er 16 packages per order, 17, 35 eller 56?